Sylvain Meylan MD, PHD
About this NPIWhat this record shows.
NPI 1245631753 is registered to Sylvain Meylan MD, PHD, a Internal Medicine practising at Massachusetts General Hospital, 55 Fruit Street in Boston, Massachusetts. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Sylvain Meylan MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2014.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Order and Referring Only
- I20150109000241Infectious DiseaseMA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Sylvain Meylan MD, PHD accepts. To confirm in-network status with your specific health plan, contact Sylvain Meylan MD, PHD directly at (617) 726-3812.
Frequently asked
Yes. NPI 1245631753 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (617) 726-3812.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Sylvain Meylan MD, PHD is a Type-1 individual NPI.